Question: 5. Assume the 12-bits instruction has the format 11 10 9 6 5 OP Bit11=1: non-direct addressing Bit8=1: index addressing with register In Bit7=1:

5. Assume the 12-bits instruction has the format 11 10 9 6 5 OP Bit11=1: non-direct addressing Bit8=1: index

5. Assume the 12-bits instruction has the format 11 10 9 6 5 OP Bit11=1: non-direct addressing Bit8=1: index addressing with register In Bit7=1: index addressing with register 12 Bit6: Z/C =0 for page addressing with page number as 0; Z/C=1 for page addressing with page number as the page number of PC 8 II 7 I2 Z/C 4 3 A 2 1 0 Assume the main memory has 22 storage unit, it is divide into 26 pages, and each page has 26 words. The contents of these registers are (Q denotes for the octal): (PC)=0340Q (1)=1111Q (12)=0256Q Please calculate the executive address for the following instructions. (1) 1046Q (2) 2433Q (3) 3215Q (4) 1111Q

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